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serach string from pagragraph using javascript?

Posted By :sagar pardeshi      Posted Date :09/02/2010   Points :10   Category: Javascript    URL: http://www.emanonsolutions.net

this code for count how many time one unique string repeated using Javascript.
 


<html>
<body>
<script type="text/javascript" language="JavaScript1.1">
<!--
// Declare variables
var pos = 0;
var num = -1;
var i = -1;
var graf = "This is a test This is a test  This is a test dsadasad This is a test adadasdsa This is a test fdsfdsfdsf This is a test  ";

// Search the string and counts the number of e's
while (pos != -1) {
pos = graf.indexOf("This is a test", i + 1);
num += 1;
i = pos;
}

// Write the response to the page
document.write(graf+"<br>")
document.write("There were " + num + " e's in that paragraph."); document.close();
//-->
</script>
</body>
</html>




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Responses
Author: Rajesh         Company URL: http://www.dotnetspark.com
Posted Date: 08/04/2010

we can also use the pattern matching method in js
ex:
var s= " this is very good for health to do yoga";
var patt=/e/i;

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